Base | Representation |
---|---|
bin | 11011100001000110100001… |
… | …111011011011011111101001 |
3 | 120212111120221222021222202212 |
4 | 123201012201323123133221 |
5 | 111330311034103212111 |
6 | 1105220424410334505 |
7 | 34330360142505365 |
oct | 3341064173333751 |
9 | 525446858258685 |
10 | 121022010210281 |
11 | 3561a1677a9934 |
12 | 116a6a6242a435 |
13 | 526b4326b097b |
14 | 21c56d47542a5 |
15 | ded0d836598b |
hex | 6e11a1edb7e9 |
121022010210281 has 2 divisors, whose sum is σ = 121022010210282. Its totient is φ = 121022010210280.
The previous prime is 121022010210221. The next prime is 121022010210331. The reversal of 121022010210281 is 182012010220121.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 105043722839056 + 15978287371225 = 10249084^2 + 3997285^2 .
It is a cyclic number.
It is not a de Polignac number, because 121022010210281 - 238 = 120747132303337 is a prime.
It is a super-2 number, since 2×1210220102102812 (a number of 29 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (121022010210221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511005105140 + 60511005105141.
It is an arithmetic number, because the mean of its divisors is an integer number (60511005105141).
Almost surely, 2121022010210281 is an apocalyptic number.
It is an amenable number.
121022010210281 is a deficient number, since it is larger than the sum of its proper divisors (1).
121022010210281 is an equidigital number, since it uses as much as digits as its factorization.
121022010210281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 256, while the sum is 23.
The spelling of 121022010210281 in words is "one hundred twenty-one trillion, twenty-two billion, ten million, two hundred ten thousand, two hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •